| Result | Tournament |
|---|---|
| Brendan O'Donoghue defeated Kristjan Helgason | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Guy Hendrickx | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Mika Karhu | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Alexander Kanchev | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Stephane Ochoiski | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Daniel Kandi | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Sergej Sergejev jnr. | 2012 European Championships - Men Snooker |
| Kristjan Helgason defeated Mindaugas Skurvydas | 2012 European Championships - Men Snooker |
| Michal Zielinski defeated Kristjan Helgason | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Andreas Ploner | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Roey Fernandez | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Alex Kopel | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Andrei Orzan | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Vladimir Kalinovski | 2011 European Championships - Men Snooker |
| Kristjan Helgason defeated Bratislav Krustev | 2011 European Championships - Men Snooker |
| Michael Leslie defeated Kristjan Helgason | 2011 European Championships - Men Snooker |
| Luca Brecel defeated Kristjan Helgason | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Andrew Pagett | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Antony Brabin | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Clinton Franey | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Shay Arama | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Antony Brabin | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Andreas Ploner | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Nick Ollis | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Bogdan Cozmaciuc | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Viacheslav Nezdymovskyi | 2010 European Championships - Men Snooker |
| Kristjan Helgason defeated Mario Wehrmann | 2010 European Championships - Men Snooker |
| Michael Wild defeated Kristjan Helgason | 2004 Welsh Open Snooker |
| Mehmet Husnu defeated Kristjan Helgason | 2004 Players Championship Snooker |
| Kurt Maflin defeated Kristjan Helgason | 2004 Irish Masters Snooker |
| Luke Simmonds defeated Kristjan Helgason | 2004 European Open Snooker |
| Tom Ford defeated Kristjan Helgason | 2003 World Championship Snooker |
| Kristjan Helgason defeated Darren Clarke | 2003 World Championship Snooker |
| Lee Spick defeated Kristjan Helgason | 2003 Welsh Open Snooker |
| Kristjan Helgason defeated Colm Gilcreest | 2003 Welsh Open Snooker |
| Michael Rhodes defeated Kristjan Helgason | 2003 UK Championship Snooker |
| James Wattana defeated Kristjan Helgason | 2003 Scottish Open Snooker |
| Kristjan Helgason defeated David Roe | 2003 Scottish Open Snooker |
| Kristjan Helgason defeated Bradley Jones | 2003 Scottish Open Snooker |
| Kristjan Helgason defeated Darren Clarke | 2003 Scottish Open Snooker |
| Kristjan Helgason defeated Matthew Farrant | 2003 Scottish Open Snooker |
| Ian Brumby defeated Kristjan Helgason | 2003 LG Cup Snooker |
| Stuart Pettman defeated Kristjan Helgason | 2003 Irish Masters Snooker |
| Kristjan Helgason defeated Darren Clarke | 2003 Irish Masters Snooker |
| Kristjan Helgason defeated Matthew Selt | 2003 Irish Masters Snooker |
| Nick Walker defeated Kristjan Helgason | 2003 European Open Snooker |
| Kristjan Helgason defeated John Read | 2003 European Open Snooker |
| Kristjan Helgason defeated David Gilbert | 2003 European Open Snooker |
| Michael Wild defeated Kristjan Helgason | 2003 British Open Snooker |
| Stuart Bingham defeated Kristjan Helgason | 2002 World Championship Snooker |